netdev - RE: [Patch bpf-next 01/19] bpf: rename BPF_STREAM_PARSER to BPF_SOCK

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Date:   Mon, 08 Feb 2021 00:21:13 -0800
From:   John Fastabend <john.fastabend@...il.com>
To:     Cong Wang <xiyou.wangcong@...il.com>, netdev@...r.kernel.org
Cc:     bpf@...r.kernel.org, duanxiongchun@...edance.com,
        wangdongdong.6@...edance.com, jiang.wang@...edance.com,
        Cong Wang <cong.wang@...edance.com>,
        John Fastabend <john.fastabend@...il.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Jakub Sitnicki <jakub@...udflare.com>,
        Lorenz Bauer <lmb@...udflare.com>
Subject: RE: [Patch bpf-next 01/19] bpf: rename BPF_STREAM_PARSER to
 BPF_SOCK_MAP

Cong Wang wrote:
> From: Cong Wang <cong.wang@...edance.com>
> 
> Before we add non-TCP support, it is necessary to rename
> BPF_STREAM_PARSER as it will be no longer specific to TCP,
> and it does not have to be a parser either.
> 
> This patch renames BPF_STREAM_PARSER to BPF_SOCK_MAP, so
> that sock_map.c hopefully would be protocol-independent.
> 
> Also, improve its Kconfig description to avoid confusion.
> 
> Cc: John Fastabend <john.fastabend@...il.com>
> Cc: Daniel Borkmann <daniel@...earbox.net>
> Cc: Jakub Sitnicki <jakub@...udflare.com>
> Cc: Lorenz Bauer <lmb@...udflare.com>
> Signed-off-by: Cong Wang <cong.wang@...edance.com>
> ---

The BPF_STREAM_PARSER config was originally added because we need
the STREAM_PARSER define and wanted a way to get the 'depends on'
lines in Kconfig correct.

Rather than rename this, lets reduce its scope to just the set
of actions that need the STREAM_PARSER, this should be just the
stream parser programs. We probably should have done this sooner,
but doing it now will be fine.

I can probably draft a quick patch tomorrow if above is not clear.
It can go into bpf-next outside this series as well to reduce
the 19 patches a bit.

Thanks,
John